| A curvature calibrated bandgap reference with base-emitter current compensating in a 0.13μm CMOS process |
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| 引用本文： | 马卓,谭晓强,谢伦国,郭阳.A curvature calibrated bandgap reference with base-emitter current compensating in a 0.13μm CMOS process[J].半导体学报,2010(11). |
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| 作者姓名： | 马卓 谭晓强 谢伦国 郭阳 |
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| 作者单位： | College of Computer;National University of Defense Technology; |
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| 基金项目： | Project supported by the National New Century Excellent Talents in University,Program for Changjiang Scholars and Innovative Research Team in University |
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| 摘 要： | In bandgap references,the effect caused by the input offset of the operational amplifier can be effectively reduced by the utilization of cascade bipolar junction transistors(BJTs).But in modern CMOS logic processes,due to the small value ofβ,the base-emitter path of BJTs has a significant streaming effect on the collector current,which leads to a large temperature drift for the reference voltage.To solve this problem,a base-emitter current compensating technique is proposed in a cascade BJT bandgap refe...
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